Patient Handout

Osteochondritis Dissecans

Personalized guidance for work, activity, nutrition, and home exercise.

Explanation of Diagnosis

Osteochondritis dissecans is a joint problem where a small area of bone under the joint surface does not get enough blood flow and can become unstable. It most commonly affects the knee, but it can also occur in the ankle or elbow. Symptoms often include pain with activity, swelling after use, a feeling of catching or locking, and tenderness over the affected area. It usually starts after repetitive stress, an injury, or a mismatch between joint loading and the tissue’s ability to recover.

Specific Work Modifications

  • Avoid deep knee bending, squatting, and kneeling for long periods; use a knee pad or switch positions more often.
  • Take frequent sit-stand breaks and use a chair with good back support to reduce sustained joint stress.
  • Limit stair climbing and reduce the number of trips carrying loads; use carts or ask for assistance.
  • Wear supportive, cushioned shoes and avoid hard-soled footwear that increases impact.
  • If your job involves walking all day, choose flatter routes and slow down during symptom flare-ups.
  • Avoid twisting or pivoting on the affected side; turn with your whole body instead of twisting at the knee or ankle.

Specific Activity Modifications

  • Avoid running, jumping, and high-impact drills while symptoms are active or worsening.
  • Skip activities that involve deep squats, lunges, or kneeling, especially if they increase pain or swelling.
  • Choose low-impact options such as stationary biking with a comfortable seat height or swimming if tolerated.
  • Avoid sports movements with sudden stops, cutting, or twisting/pivoting on the affected joint.
  • If you train, reduce volume and intensity first; add speed and impact back only if pain stays minimal and settles quickly.
  • Stop the activity and reassess if you notice new catching, locking, a “giving way” sensation, or sharp pain.

Recommended Supplements

  • Omega-3 fatty acids (fish oil) 1,000 mg to 2,000 mg per day (combined EPA/DHA) may help support a balanced inflammatory response.
  • Vitamin D3 1,000 to 2,000 IU per day may support bone and joint health, especially if you are low or not getting much sun.
  • Glucosamine sulfate 1,500 mg per day may help some people with joint comfort; results vary from person to person.
  • Collagen peptides 10 grams per day may support connective tissue health in general; evidence is mixed but it is commonly used.

Recommended Nutrition and Hydration

Home Exercise Prescription

Do these exercises 4 to 6 days per week, focusing on comfort and symptom control.

  1. Ankle or Knee Range of Motion (pain-free): Move the joint through a gentle range, such as heel slides for the knee or ankle circles for the ankle, without pushing into sharp pain; do 2 sets of 10 to 15 reps.
  2. Quad Sets (if the knee is affected): Tighten the front thigh muscle and press the knee gently into the bed or straighten the leg slightly; hold 5 to 10 seconds; do 2 sets of 10.
  3. Straight Leg Raises (if the knee is affected): With the leg straight, lift the affected leg to a comfortable height and lower slowly; keep the motion controlled; do 2 sets of 8 to 12.
  4. Straight-Back Hip Bridge (if tolerated): Lift hips up to a comfortable height without pain, then lower slowly; do 2 sets of 8 to 12.
  5. Calf Stretch (if the ankle or knee is affected): Straighten the knee and gently stretch the calf until you feel mild tension; hold 20 to 30 seconds; do 2 to 3 holds per side.
  6. Supported Balance or Weight Shifts: Stand near a counter for support and shift weight gently onto the affected side without pain; do 1 to 2 sets of 20 shifts.

Helpful Books

  • "Explain Pain" written by David Butler and Lorimer Moseley
  • "Move! Your Way to Health" written by Katy Bowman
JP
Medically reviewed by Jason Pirozzolo, DO Medical Director · Last reviewed May 2026
Medical Disclaimer: This website provides general educational information only and does not constitute medical advice, diagnosis, or treatment. Use of this site does not create a physician-patient relationship. This site has been reviewed by a licensed physician but should not replace a professional medical evaluation. If you are experiencing a medical emergency, call 911.